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OSV-2021-1349

Heap-buffer-overflow in MqttClient_DecodePacket

No scoreFix available

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39083

Crash type: Heap-buffer-overflow WRITE 1
Crash state:
MqttClient_DecodePacket
MqttClient_WaitType
MqttClient_Connect

What each source reports

OSV No score

Heap-buffer-overflow in MqttClient_DecodePacket

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39083

Crash type: Heap-buffer-overflow WRITE 1
Crash state:
MqttClient_DecodePacket
MqttClient_WaitType
MqttClient_Connect
Record
OSV-2021-1349
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
wolfmqtt
OSS-Fuzz
Listed versions, plus commit ranges
v1.9
None known

History

History
RecordedChangedSources
first indexedOSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

OSV-2021-1349 is a vulnerability with no CVSS score yet in wolfmqtt, published September 22, 2021. No source lists public exploit code. A source reports a fix.

References

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